Then each of our Consulting firms will show a $25k profit, and our Flipping LLC will have around $0 in profit.This is good because our Consulting firms are S-Corps, which will alleviate our taxes (compared to regular LLCs).

Work hard at your new career and advance and get promotions.

To go a little deeper on what Tony said, your regular payment won't change with the 5 year balloon.

I suspect the answer is no, because I don't see the crowdfunding sites promoting it...but I couldn't think of a reason why not.Is there a reason why a crowdfunding site could not serve as a Qualified Intermediate?

I'm 25 so my regular career is only now starting to become successful and I'm at a point where I want to save and earn money instead of blow it all so I'm starting to work on the RE portfolio. 

Track all of your expenses and income listed in a report and review them regularly with 3rd parties to help reduce expenses and increase your income.  

I asked to please check every means possible since we want this property and it was promoted as a single family home.

Track all expenses and income on the properties you own and review them regularly and try to cut expenses and increase income.  

This may even be regular business income, since you flipped it for the sole purpose of making money, right?

I work in the area regularly and it's not the best neighborhood but you're not planning to live there so you should be fine.